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ARRL Member Bulletin for June 6, 2024



June 6, 2024   

Dear ARRL member,   

We are writing to inform you of a serious incident that has impacted ARRL’s operations. On or around May 12, 2024, ARRL was the victim of a sophisticated network attack by a malicious international cyber group. We immediately involved the FBI and engaged with third party experts to investigate.   

On May 16, on the eve of the ARRL National Convention in Ohio, we posted a notice on our website to inform members about the incident. Since then, we have made substantial progress to mitigate the impact of this attack on our organization. We have been posting regular updates, including the status of restored services. Please refer to our dedicated news post at   

We are aware that certain members believe we should be openly communicating everything associated with this incident. We are working with industry experts, including cyber crime attorneys and the authorities, who have directed us to be conservative and cautious with our communications while restoring the ARRL network.   

Many of our services and programs have been impacted by this attack. We have been diligently assessing each system to ascertain the extent of compromise. For example, while the Logbook of The World® server and related user data were unaffected, we have taken the precautionary measure of keeping the service offline until we can ensure the security and integrity of our networks. Similarly, access to Online DXCC is unavailable, although individual award data remains secure.   

Fortunately, some of our key systems, such as the ARRL website and our association membership system, were unaffected. Despite the severity of the attack, no personal information was compromised. Additionally, ARRL does not store credit card information anywhere on our systems, and we do not collect social security numbers.   

Our Directors have heard from some members who are concerned about managing their membership renewals. Members can renew online at or by phoning ARRL.  

We understand the frustration and inconvenience this incident has caused, and we sincerely appreciate your patience and understanding as our dedicated staff and partners continue to work tirelessly to restore affected systems and services.   

Thank you for your ongoing support. 



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